n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 5 |
3 | 28 |
4 | 185 |
5 | 1456 |
6 | 13267 |
7 | 135598 |
8 | 1528193 |
9 | 18805240 |
10 | 250522451 |
11 | 3585332554 |
12 | 54774501025 |
13 | 888739031116 |
14 | 15249006695483 |
15 | 275641537989766 |
16 | 5231788966650113 |
17 | 103968303762747472 |
18 | 2157673505603964643 |
19 | 46656574558459795522 |
20 | 1049037051211541521121 |
[1,1,5,28,185,1456,13267,135598,1528193,18805240, 250522451,3585332554,54774501025,888739031116, 15249006695483,275641537989766,5231788966650113, 103968303762747472,2157673505603964643, 46656574558459795522,1049037051211541521121] |